CVE-2021-47471

In the Linux kernel, the following vulnerability has been resolved: drm: mxsfb: Fix NULL pointer dereference crash on unload The mxsfb->crtc.funcs may already be NULL when unloading the driver, in which case calling mxsfb_irq_disable() via drm_irq_uninstall() from mxsfb_unload() leads to NULL pointer dereference. Since all we care about is masking the IRQ and mxsfb->base is still valid, just use that to clear and mask the IRQ.

The following products are affected by CVE-2021-47471 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2021-47471.

URL	Resource
https://git.kernel.org/stable/c/3cfc183052c3dbf8eae57b6c1685dab00ed3db4a
https://git.kernel.org/stable/c/b0e6db0656ddfd8bb57303c2ef61ee1c1cc694a8
https://git.kernel.org/stable/c/f40c2281d2c0674d32ba732fee45222d76495472
https://lore.kernel.org/linux-cve-announce/2024052228-CVE-2021-47471-3ef4@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2021-47471
https://www.cve.org/CVERecord?id=CVE-2021-47471